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Re: Mullard ECC32 for ATMA-SPHERE MA-2

Posted by Lew on December 16, 2004 at 07:24:49:
If I remember correctly, the ECC32 is not electrically identical to a 6SN7, so ask the factory. The ECC32 may have a slightly higher mu or Gm compared to the 6SN7, either of which properties could make the ECC32 sound louder, because the input sensitivity of the amp will increase slightly. Don't confuse "louder" for "better".